/**
 *    Copyright (C) 2018-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#include "mongo/base/error_codes.h"
#include "mongo/base/init.h"  // IWYU pragma: keep
#include "mongo/db/query/datetime/date_time_support.h"
#include "mongo/db/server_options.h"
#include "mongo/db/service_context.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/str.h"

#include <memory>
#include <string>
#include <utility>

#include <timelib.h>

namespace mongo {
namespace {
ServiceContext::ConstructorActionRegisterer loadTimeZoneDB{
    "LoadTimeZoneDB", [](ServiceContext* service) {
        if (!serverGlobalParams.timeZoneInfoPath.empty()) {
            std::unique_ptr<timelib_tzdb, TimeZoneDatabase::TimeZoneDBDeleter> timeZoneDatabase(
                timelib_zoneinfo(const_cast<char*>(serverGlobalParams.timeZoneInfoPath.c_str())),
                TimeZoneDatabase::TimeZoneDBDeleter());
            if (!timeZoneDatabase) {
                uasserted(ErrorCodes::FailedToParse,
                          str::stream() << "failed to load time zone database from path \""
                                        << serverGlobalParams.timeZoneInfoPath << "\"");
            }
            TimeZoneDatabase::set(service,
                                  std::make_unique<TimeZoneDatabase>(std::move(timeZoneDatabase)));
        } else {
            // No 'zoneInfo' specified on the command line, fall back to the built-in rules.
            TimeZoneDatabase::set(service, std::make_unique<TimeZoneDatabase>());
        }
    }};
}  // namespace
}  // namespace mongo
